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If a is a subset of B prove that a x c is equal to b x c |
Answer» SOLUTIONTO PROVE If A ⊆ B then A × C ⊆ B × C EVALUATION Let (x, y) ∈ A × C ⇒ x ∈ A ∧ y ∈ C ⇒ x ∈ B ∧ y ∈ C ( ∵ A ⊆ B ) ⇒ (x, y) ∈ A × C ∴ A × C ⊆ B × C Hence PROVED ━━━━━━━━━━━━━━━━ Learn more from Brainly :-
2. If A, B and C are any three SETS then prove the following USING venn-diagram A∩(BUC) = (A∩B) U (A∩C) |
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